Solan S, Muni MK, Das S. Sacral hiatus anatomical variations and clinical relevance in caudal epidural block. Int. J. of Health Sci. [Internet]. 2022 Sep. 23 [cited 2024 Nov. 16];6(S8):3750-7. Available from: https://sciencescholar.us/journal/index.php/ijhs/article/view/12945